Common Core: 5th Grade Math : Interpret Division of a Whole Number by a Unit Fraction: CCSS.Math.Content.5.NF.B.7b

Study concepts, example questions & explanations for Common Core: 5th Grade Math

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Example Questions

Example Question #1 : Interpret Division Of A Whole Number By A Unit Fraction: Ccss.Math.Content.5.Nf.B.7b

Three girls divide half of a bag of popcorn equally so that all three of them get the same amount of popcorn. How much popcorn does each girl get?

Possible Answers:

\(\displaystyle \frac{2}{5}\ of\ the\ bag\)

\(\displaystyle \frac{1}{3}\ of\ the\ bag\)

\(\displaystyle \frac{1}{2}\ of\ the\ bag\)

\(\displaystyle \frac{1}{4}\ of\ the\ bag\)

\(\displaystyle \frac{1}{6}\ of\ the\ bag\)

Correct answer:

\(\displaystyle \frac{1}{6}\ of\ the\ bag\)

Explanation:

 

 

 

Example Question #2 : Interpret Division Of A Whole Number By A Unit Fraction: Ccss.Math.Content.5.Nf.B.7b

Megan has \(\displaystyle 13\) gallons of milk. Each glass holds \(\displaystyle \frac{1}{4}\) of a gallon. How many glasses can she fill? 

 

Possible Answers:

\(\displaystyle 48\)

\(\displaystyle 44\)

\(\displaystyle 40\)

\(\displaystyle 52\)

\(\displaystyle 56\)

Correct answer:

\(\displaystyle 52\)

Explanation:

Think: How many \(\displaystyle \frac{1}{4}\)s are in \(\displaystyle 13\) wholes? 

To solve \(\displaystyle 13\div\frac{1}{4}\) we multiply by the reciprocal

\(\displaystyle \frac{13}{1}\times\frac{4}{1}=\frac{52}{1}=52\)

52

 

Example Question #3 : Interpret Division Of A Whole Number By A Unit Fraction: Ccss.Math.Content.5.Nf.B.7b

Kalea has \(\displaystyle 12\) gallons of milk. Each glass holds \(\displaystyle \frac{1}{4}\) of a gallon. How many glasses can she fill? 

 

Possible Answers:

\(\displaystyle 56\)

\(\displaystyle 40\)

\(\displaystyle 44\)

\(\displaystyle 52\)

\(\displaystyle 48\)

Correct answer:

\(\displaystyle 48\)

Explanation:

Think: How many \(\displaystyle \frac{1}{4}\)s are in \(\displaystyle 12\) wholes? 

To solve \(\displaystyle 12\div\frac{1}{4}\) we multiply by the reciprocal

\(\displaystyle \frac{12}{1}\times\frac{4}{1}=\frac{48}{1}=48\)

48

Example Question #4 : Interpret Division Of A Whole Number By A Unit Fraction: Ccss.Math.Content.5.Nf.B.7b

Laura has \(\displaystyle 11\) gallons of milk. Each glass holds \(\displaystyle \frac{1}{4}\) of a gallon. How many glasses can she fill? 

 

Possible Answers:

\(\displaystyle 40\)

\(\displaystyle 56\)

\(\displaystyle 44\)

\(\displaystyle 52\)

\(\displaystyle 48\)

Correct answer:

\(\displaystyle 44\)

Explanation:

Think: How many \(\displaystyle \frac{1}{4}\)s are in \(\displaystyle 11\) wholes? 

To solve \(\displaystyle 11\div\frac{1}{4}\) we multiply by the reciprocal

\(\displaystyle \frac{11}{1}\times\frac{4}{1}=\frac{44}{1}=44\)

44

Example Question #1251 : Ssat Middle Level Quantitative (Math)

Kara has \(\displaystyle 10\) gallons of milk. Each glass holds \(\displaystyle \frac{1}{4}\) of a gallon. How many glasses can she fill? 

 

Possible Answers:

\(\displaystyle 44\)

\(\displaystyle 52\)

\(\displaystyle 56\)

\(\displaystyle 40\)

\(\displaystyle 48\)

Correct answer:

\(\displaystyle 40\)

Explanation:

Think: How many \(\displaystyle \frac{1}{4}\)s are in \(\displaystyle 10\) wholes? 

To solve \(\displaystyle 10\div\frac{1}{4}\) we multiply by the reciprocal

\(\displaystyle \frac{10}{1}\times\frac{4}{1}=\frac{40}{1}=40\)

40

Example Question #5 : Interpret Division Of A Whole Number By A Unit Fraction: Ccss.Math.Content.5.Nf.B.7b

Katie has \(\displaystyle 9\) gallons of milk. Each glass holds \(\displaystyle \frac{1}{4}\) of a gallon. How many glasses can she fill? 

 

Possible Answers:

\(\displaystyle 24\)

\(\displaystyle 20\)

\(\displaystyle 36\)

\(\displaystyle 32\)

\(\displaystyle 28\)

Correct answer:

\(\displaystyle 36\)

Explanation:

Think: How many \(\displaystyle \frac{1}{4}\)s are in \(\displaystyle 9\) wholes? 

To solve \(\displaystyle 9\div\frac{1}{4}\) we multiply by the reciprocal

\(\displaystyle \frac{9}{1}\times\frac{4}{1}=\frac{36}{1}=36\)

36

Example Question #1 : Interpret Division Of A Whole Number By A Unit Fraction: Ccss.Math.Content.5.Nf.B.7b

Sarah has \(\displaystyle 8\) gallons of milk. Each glass holds \(\displaystyle \frac{1}{4}\) of a gallon. How many glasses can she fill? 

 

Possible Answers:

\(\displaystyle 20\)

\(\displaystyle 32\)

\(\displaystyle 28\)

\(\displaystyle 24\)

\(\displaystyle 36\)

Correct answer:

\(\displaystyle 32\)

Explanation:

Think: How many \(\displaystyle \frac{1}{4}\)s are in \(\displaystyle 8\) wholes? 

To solve \(\displaystyle 8\div\frac{1}{4}\) we multiply by the reciprocal

\(\displaystyle \frac{8}{1}\times\frac{4}{1}=\frac{32}{1}=32\)

32

Example Question #1261 : Ssat Middle Level Quantitative (Math)

Sarah has \(\displaystyle 7\) gallons of milk. Each glass holds \(\displaystyle \frac{1}{4}\) of a gallon. How many glasses can she fill? 

 

Possible Answers:

\(\displaystyle 32\)

\(\displaystyle 28\)

\(\displaystyle 30\)

\(\displaystyle 16\)

\(\displaystyle 24\)

Correct answer:

\(\displaystyle 28\)

Explanation:

Think: How many \(\displaystyle \frac{1}{4}\)s are in \(\displaystyle 7\) wholes? 

To solve \(\displaystyle 7\div\frac{1}{4}\) we multiply by the reciprocal

\(\displaystyle \frac{7}{1}\times\frac{4}{1}=\frac{28}{1}=28\)

28

Example Question #2 : Interpret Division Of A Whole Number By A Unit Fraction: Ccss.Math.Content.5.Nf.B.7b

Kaitlyn has \(\displaystyle 6\) gallons of milk. Each glass holds \(\displaystyle \frac{1}{4}\) of a gallon. How many glasses can she fill? 

 

Possible Answers:

\(\displaystyle 24\)

\(\displaystyle 20\)

\(\displaystyle 16\)

\(\displaystyle 8\)

\(\displaystyle 4\)

Correct answer:

\(\displaystyle 24\)

Explanation:

Think: How many \(\displaystyle \frac{1}{4}\)s are in \(\displaystyle 6\) wholes? 

To solve \(\displaystyle 6\div\frac{1}{4}\) we multiply by the reciprocal

\(\displaystyle \frac{6}{1}\times\frac{4}{1}=\frac{24}{1}=24\)

24

Example Question #601 : Numbers And Operations

Sarah has \(\displaystyle 2\) gallons of milk. Each glass holds \(\displaystyle \frac{1}{4}\) of a gallon. How many glasses can she fill? 

 

Possible Answers:

\(\displaystyle 16\)

\(\displaystyle 12\)

\(\displaystyle 20\)

\(\displaystyle 8\)

\(\displaystyle 24\)

Correct answer:

\(\displaystyle 8\)

Explanation:

Think: How many \(\displaystyle \frac{1}{4}\)s are in \(\displaystyle 2\) wholes? 

To solve \(\displaystyle 2\div\frac{1}{4}\) we multiply by the reciprocal

\(\displaystyle \frac{2}{1}\times\frac{4}{1}=\frac{8}{1}=8\)

8

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